It is made by the Polynesians. The roasted seeds of Theobroma cacao are ground up, mixed with water, and put in paper cups to harden. After it is hard, the paper cup is torn away, and the Koko Samoe is stored at room temperature.

It is sold in the US as Guarana and is expensive.

What is the active ingredient of Theobroma cacoa (chocolate), and what other chemicals does it contain?

Act Ing: 1.5% Theobromine - stimulant

Other Chemicals: up to 3% Caffeine - stimulant

Seratonin - anti-depressant

Phenylethylamine (PEA) - releases endorphins

Are the % correct? Check.

Why can't dogs eat chocolate?

Theobromine is toxic to dogs because their livers can't metabolize it.

In dogs, it's half life is 17 hours, so theobromine poisoning can go for 72 hours in severe cases.

See a vet quickly. Within 2 hours of consumption the vet will induce vomitting.